PREFACE ) is a tool for use in emergency department (ED) triage. The ESI algorithm yields rapid, reproducible, and clinically relevant stratification of patients into five gro ps, from level 1 (most …

The Emergency Severity Index (ESI) is a five-level emergency department triage algorithm, initially developed in 1998 by emergency physicians Richard Wurez and David Eitel, along …

The Emergency Severity Index® is a well-established triage tool used in emergency departments to prioritize care based on a patient’s condition. ESI is validated through extensive research, …

Jul 24, 2025 · Explore the Emergency Severity Index algorithm with practical insights to enhance patient triage and improve emergency department efficiency.

Nov 1, 2025 · To assign a triage level according to the ESI 5th version (ESI-v5) algorithm, measurement of heart rate (HR), respiratory rate (RR), and oxygen saturation (SpO2) is …

The Emergency Severity Index is a five-level triage algorithm used in emergency departments to categorize patients based on both their acuity (how quickly they need medical attention) and …

The Emergency Severity Index (ESI) is a standardized tool for triaging patients. It utilizes an algorithm to group patients into five levels, with Level 1 being the most urgent and requiring life …

The assignment of an ESI level follows a structured, four-step algorithm that guides the triage nurse’s decision-making process. The first step is to determine if the patient requires …

May 17, 2017 · The ESI version 4 algorithm is copyrighted and is the intellectual property of the ESI Triage Research Team, LLC. The algorithm may not be changed in any way by any user.

Guideline for using the Emergency Severity Index (ESI) triage algorithm in emergency departments. Covers triage levels, decision points, and criteria.